1) rock created from melting and cooling of magma a) igneous b) sedimentary c) metamorphic 2) rock created when under extreme heat and pressure a) igneous b) sedimentary c) metamorphic 3) rock created under pressure from layers of deposited material a) igneous b) sedimentary c) metamorphic 4) Earth's crust moves in this direction when defining subsidence a) it rises b) it sinks c) it shifts sideways d) it moves in any direction 5) What must happen to the tectonic plates at a rift zone? a) They move toward each other b) They move away from each other c) They collide with each other 6) Which physical layer of Earth is the thinnest? a) Crust b) Mantle c) Core 7) Which compositional layer of the Earth do the tectonic plates move on top of? a) outer core b) lithosphere c) asthenosphere d) mesosphere 8) What part of the mantle is part of the lithosphere? a) The fluid, hot part b) the rigid, upper part c) the soft, moving part d) the lower, stationary part 9) Convection currents (movement of heat through a fluid) occur in which part of the Earth's physical layers. a) Crust b) Mantle c) Core

Rock Cycle

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